Removed 0003-Use-gnu-11-standard-to-prevent-errors-on-PPC.patch, since
stella now uses -std=c++14 that builds fine when using PPC altivec
vectorization.
Removed 0004-gcc7.patch, backported from upstream.
Update toolchain dependencies to gcc 4.9 since codebase now uses C++14 features.
Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
[Arnout: also remove 0004-gcc7.patch]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>